char DF_status_read ( void );
void df_spi_init ( void );
void df_port_cs_en ( void );
void df_port_cs_dis ( void );
char df_spi (char outb);
void df_spi_init ( void );
char DF_status_read ( void );
long DF_mf_dev_read(void);
void DF_page_to_buffer(char buff,unsigned page_addr);
void DF_buffer_to_page_er(char buff,unsigned page_addr);
void DF_buffer_to_page(char buff,unsigned page_addr);
void DF_buffer_read(char buff,unsigned buff_addr,unsigned len, char* adr);
void DF_buffer_write(char buff,unsigned buff_addr,unsigned len, char* adr);
void DF_memo_to_256(void);
